The duties of a school principal vary depending on the grade level they have and the state they work in. The main job of a school principal is to keep their school running smoothly by hiring the right teachers and doing what is needed for the students. The principal has to report to the superintendent that is over all the schools in the area. Principals are to monitor what the teacher has on
. their agenda and help them improve in areas they need to work on so that the students are getting the best education possible. You can read more about the role of a principal at http://education.stateuniversity.com/pages/2333/Principal-School.html.